** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1961076
Title:
linux-hwe-5.4 ADT test failure (ubuntu_stress_smoke_test) with linux-
hwe-5.4/5.4.0-100.113~18.04.1
Status in Stress-ng:
New
Status in ubuntu-kernel-tests:
New
Status in linux-hwe-5.4 package in Ubuntu:
New
Status in linux-hwe-5.4 source package in Bionic:
New
Bug description:
The 'dev-shm' stress-ng test is failing with bionic/linux-hwe-5.4
5.4.0-100.113~18.04.1 on ADT, only on ppc64el.
Testing failed on:
ppc64el:
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/ppc64el/l/linux-hwe-5.4/20220216_115416_c1d6c@/log.gz
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] stress-ng 0.13.11
g48be8ff4ffc4
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] system: Linux autopkgtest
5.4.0-100-generic #113~18.04.1-Ubuntu SMP Mon Feb 7 15:02:55 UTC 2022 ppc64le
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] RAM total: 7.9G, RAM free:
3.3G, swap free: 1023.9M
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] 4 processors online, 4
processors configured
11:35:08 DEBUG| [stdout] stress-ng: info: [26897] setting to a 5 second run
per stressor
11:35:08 DEBUG| [stdout] stress-ng: info: [26897] dispatching hogs: 4 dev-shm
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] cache allocate: using
cache maximum level L1
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] cache allocate: shared
cache buffer size: 32K
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] starting stressors
11:35:08 DEBUG| [stdout] stress-ng: debug: [26899] stress-ng-dev-shm: started
[26899] (instance 0)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26900] stress-ng-dev-shm: started
[26900] (instance 1)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26901] stress-ng-dev-shm: started
[26901] (instance 2)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26902] stress-ng-dev-shm: started
[26902] (instance 3)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] 4 stressors started
11:35:08 DEBUG| [stdout] stress-ng: debug: [26899] stress-ng-dev-shm:
assuming killed by OOM killer, restarting again (instance 0)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26902] stress-ng-dev-shm:
assuming killed by OOM killer, restarting again (instance 3)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26901] stress-ng-dev-shm:
assuming killed by OOM killer, restarting again (instance 2)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26900] stress-ng-dev-shm:
assuming killed by OOM killer, restarting again (instance 1)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26899]
(stress-ng-dev-shm) terminated on signal: 9 (Killed)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26899]
(stress-ng-dev-shm) was killed by the OOM killer
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26899] terminated
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26900]
(stress-ng-dev-shm) terminated on signal: 9 (Killed)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26900]
(stress-ng-dev-shm) was possibly killed by the OOM killer
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26900] terminated
11:35:08 DEBUG| [stdout] stress-ng: debug: [26901] stress-ng-dev-shm: exited
[26901] (instance 2)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26901] terminated
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26902]
(stress-ng-dev-shm) terminated on signal: 9 (Killed)
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26902]
(stress-ng-dev-shm) was killed by the OOM killer
11:35:08 DEBUG| [stdout] stress-ng: debug: [26897] process [26902] terminated
11:35:08 DEBUG| [stdout] stress-ng: info: [26897] successful run completed
in 5.06s
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] dev_shm instance 0
corrupted bogo-ops counter, 14 vs 0
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] dev_shm instance 0 hash
error in bogo-ops counter and run flag, 2146579844 vs 0
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] dev_shm instance 1
corrupted bogo-ops counter, 13 vs 0
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] dev_shm instance 1 hash
error in bogo-ops counter and run flag, 1093487894 vs 0
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] dev_shm instance 3
corrupted bogo-ops counter, 13 vs 0
11:35:08 DEBUG| [stdout] info: 5 failures reached, aborting stress process
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] dev_shm instance 3 hash
error in bogo-ops counter and run flag, 1093487894 vs 0
11:35:08 DEBUG| [stdout] stress-ng: fail: [26897] metrics-check: stressor
metrics corrupted, data is compromised
11:35:08 DEBUG| [stdout]
11:35:08 DEBUG| [stdout] [ 3840.094607] stress-ng invoked oom-killer:
gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000
11:35:08 DEBUG| [stdout] [ 3840.094611] CPU: 2 PID: 26903 Comm: stress-ng
Tainted: P OE 5.4.0-100-generic #113~18.04.1-Ubuntu
11:35:08 DEBUG| [stdout] [ 3840.094612] Call Trace:
11:35:08 DEBUG| [stdout] [ 3840.094618] [c00000011edd77d0] [c000000000f05e28]
dump_stack+0xbc/0x104 (unreliable)
11:35:08 DEBUG| [stdout] [ 3840.094623] [c00000011edd7810] [c0000000003863fc]
dump_header+0x5c/0x2c0
11:35:08 DEBUG| [stdout] [ 3840.094625] [c00000011edd78a0] [c000000000386c1c]
oom_kill_process+0x1ac/0x2a0
11:35:08 DEBUG| [stdout] [ 3840.094626] [c00000011edd78e0] [c000000000387d78]
out_of_memory+0x128/0x750
11:35:08 DEBUG| [stdout] [ 3840.094630] [c00000011edd7980] [c00000000046a948]
mem_cgroup_out_of_memory+0x118/0x150
11:35:08 DEBUG| [stdout] [ 3840.094632] [c00000011edd7a00] [c000000000470ab4]
try_charge+0xa04/0xac0
11:35:08 DEBUG| [stdout] [ 3840.094634] [c00000011edd7b00] [c00000000047477c]
mem_cgroup_try_charge+0xdc/0x330
11:35:08 DEBUG| [stdout] [ 3840.094635] [c00000011edd7b50] [c000000000474a0c]
mem_cgroup_try_charge_delay+0x3c/0x80
11:35:08 DEBUG| [stdout] [ 3840.094637] [c00000011edd7b90] [c0000000003aa748]
shmem_getpage_gfp+0x218/0xd00
11:35:08 DEBUG| [stdout] [ 3840.094639] [c00000011edd7c90] [c0000000003ad268]
shmem_fallocate+0x348/0x610
11:35:08 DEBUG| [stdout] [ 3840.094641] [c00000011edd7d60] [c00000000048c994]
vfs_fallocate+0x174/0x330
11:35:08 DEBUG| [stdout] [ 3840.094642] [c00000011edd7db0] [c00000000048e428]
ksys_fallocate+0x68/0xf0
11:35:08 DEBUG| [stdout] [ 3840.094643] [c00000011edd7e00] [c00000000048e4d8]
sys_fallocate+0x28/0x40
11:35:08 DEBUG| [stdout] [ 3840.094646] [c00000011edd7e20] [c00000000000b378]
system_call+0x5c/0x68
11:35:08 DEBUG| [stdout] [ 3840.094649] --- interrupt: c01 at 0x71d6d5855ab0
This doesn't seem to be a kernel regression, as it has already failed
with 5.4.0-94.106~18.04.1
(https://autopkgtest.ubuntu.com/results/autopkgtest-
bionic/bionic/ppc64el/l/linux-hwe-5.4/20220108_161257_2ca9f@/log.gz),
but passed with versions -97 and -99, and it doesn't fail in the
regression tests infrastructure. The focal/linux main kernel also did
not have any failure.
I have checked the stress-ng repo and didn't find any recent change to
this testcase.
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